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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
45 lines
2.4 KiB
JavaScript
45 lines
2.4 KiB
JavaScript
/**
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* 调用 gpuDetector.webgl 判断当前浏览器是否支持 webgl。（支持 gpgpu 的浏览器一定也支持 webgl）
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*/
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var _gpuDetector = function gpuDetector() {
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if (typeof window === 'undefined' || typeof document === 'undefined') return {};
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return {
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canvas: !!window.CanvasRenderingContext2D,
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webgl: function () {
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try {
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var canvas = document.createElement('canvas');
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return !!(window.WebGLRenderingContext && (canvas.getContext('webgl') || canvas.getContext('experimental-webgl')));
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} catch (e) {
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return false;
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}
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}(),
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workers: !!window.Worker,
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fileapi: window.File && window.FileReader && window.FileList && window.Blob,
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getWebGLErrorMessage: function getWebGLErrorMessage() {
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var element = document.createElement('div');
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element.id = 'webgl-error-message';
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element.style.fontFamily = 'monospace';
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element.style.fontSize = '13px';
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element.style.fontWeight = 'normal';
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element.style.textAlign = 'center';
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element.style.background = '#fff';
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element.style.color = '#000';
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element.style.padding = '1.5em';
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element.style.width = '400px';
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element.style.margin = '5em auto 0';
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if (!this.webgl) {
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element.innerHTML = window.WebGLRenderingContext ? ['Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" rel="external nofollow" rel="external nofollow" style="color:#000">WebGL</a>.<br />', 'Find out how to get it <a href="http://get.webgl.org/" rel="external nofollow" rel="external nofollow" style="color:#000">here</a>.'].join('\n') : ['Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" rel="external nofollow" rel="external nofollow" style="color:#000">WebGL</a>.<br/>', 'Find out how to get it <a href="http://get.webgl.org/" rel="external nofollow" rel="external nofollow" style="color:#000">here</a>.'].join('\n');
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}
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return element;
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},
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addGetWebGLMessage: function addGetWebGLMessage(parameters) {
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parameters = parameters || {};
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var parent = parameters.parent !== undefined ? parameters.parent : document.body;
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var id = parameters.id !== undefined ? parameters.id : 'oldie';
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var element = _gpuDetector().getWebGLErrorMessage();
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element.id = id;
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parent.appendChild(element);
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}
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};
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};
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export { _gpuDetector as gpuDetector }; |